/Engine/Source/Editor/UMGEditor/Public/WidgetBlueprintEditorUtils.h
static [TScriptInterface](API\Runtime\CoreUObject\UObject\TScriptInterface)< [INamedSlotInterface](API\Runtime\UMG\Components\INamedSlotInterface) > FindNamedSlotHostForContent ( [UWidget](API\Runtime\UMG\Components\UWidget) * WidgetTemplate, [UWidgetTree](API\Runtime\UMG\Blueprint\UWidgetTree) * WidgetTree )